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tdeaccessibility/kmouth/wordcompletion/klanguagebutton.cpp

239 lines
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/*
* klanguagebutton.cpp - Adds some methods for inserting languages.
*
* Copyright (c) 1999-2000 Hans Petter Bieker <bieker@kde.org>
*
* Requires the TQt widget libraries, available at no cost at
* http://www.trolltech.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#define INCLUDE_MENUITEM_DEF
#include <tqpopupmenu.h>
#include <kstandarddirs.h>
#include "klanguagebutton.h"
#include <kdebug.h>
static inline void checkInsertPos( TQPopupMenu *popup, const TQString & str,
int &index )
{
if ( index == -2 )
index = popup->count();
if ( index != -1 )
return;
int a = 0;
int b = popup->count();
while ( a <= b )
{
int w = ( a + b ) / 2;
int id = popup->idAt( w );
int j = str.localeAwareCompare( popup->text( id ) );
if ( j > 0 )
a = w + 1;
else
b = w - 1;
}
index = a; // it doesn't really matter ... a == b here.
}
static inline TQPopupMenu * checkInsertIndex( TQPopupMenu *popup,
const TQStringList *tags, const TQString &submenu )
{
int pos = tags->findIndex( submenu );
TQPopupMenu *pi = 0;
if ( pos != -1 )
{
TQMenuItem *p = popup->findItem( pos );
pi = p ? p->popup() : 0;
}
if ( !pi )
pi = popup;
return pi;
}
KLanguageButton::~KLanguageButton()
{
delete m_tags;
}
KLanguageButton::KLanguageButton( TQWidget * parent, const char *name )
: TQPushButton( parent, name ),
m_popup( 0 ),
m_oldPopup( 0 )
{
m_tags = new TQStringList;
clear();
}
void KLanguageButton::insertItem( const TQIconSet& icon, const TQString &text,
const TQString &tag, const TQString &submenu, int index )
{
TQPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu );
checkInsertPos( pi, text, index );
pi->insertItem( icon, text, count(), index );
m_tags->append( tag );
}
void KLanguageButton::insertItem( const TQString &text, const TQString &tag,
const TQString &submenu, int index )
{
TQPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu );
checkInsertPos( pi, text, index );
pi->insertItem( text, count(), index );
m_tags->append( tag );
}
void KLanguageButton::insertSeparator( const TQString &submenu, int index )
{
TQPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu );
pi->insertSeparator( index );
m_tags->append( TQString() );
}
void KLanguageButton::insertSubmenu( const TQString &text, const TQString &tag,
const TQString &submenu, int index )
{
TQPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu );
TQPopupMenu *p = new TQPopupMenu( pi );
checkInsertPos( pi, text, index );
pi->insertItem( text, p, count(), index );
m_tags->append( tag );
connect( p, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( slotActivated( int ) ) );
connect( p, TQT_SIGNAL( highlighted( int ) ), this,
TQT_SIGNAL( highlighted( int ) ) );
}
void KLanguageButton::insertLanguage( const TQString& path, const TQString& name,
const TQString& sub, const TQString &submenu, int index )
{
TQString output = name + TQString::tqfromLatin1( " (" ) + path +
TQString::tqfromLatin1( ")" );
#if 0
// Nooooo ! Country != language
TQPixmap flag( locate( "locale", sub + path +
TQString::tqfromLatin1( "/flag.png" ) ) );
#endif
insertItem( output, path, submenu, index );
}
void KLanguageButton::slotActivated( int index )
{
// Update caption and iconset:
if ( m_current == index )
return;
setCurrentItem( index );
// Forward event from popup menu as if it was emitted from this widget:
emit activated( index );
}
int KLanguageButton::count() const
{
return m_tags->count();
}
void KLanguageButton::clear()
{
m_tags->clear();
delete m_oldPopup;
m_oldPopup = m_popup;
m_popup = new TQPopupMenu( this );
setPopup( m_popup );
connect( m_popup, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( slotActivated( int ) ) );
connect( m_popup, TQT_SIGNAL( highlighted( int ) ),
TQT_SIGNAL( highlighted( int ) ) );
setText( TQString() );
setIconSet( TQIconSet() );
}
/*void KLanguageButton::changeLanguage( const TQString& name, int i )
{
if ( i < 0 || i >= count() )
return;
TQString output = name + TQString::tqfromLatin1( " (" ) + tag( i ) +
TQString::tqfromLatin1( ")" );
changeItem( output, i );
}*/
bool KLanguageButton::containsTag( const TQString &str ) const
{
return m_tags->contains( str ) > 0;
}
TQString KLanguageButton::currentTag() const
{
return *m_tags->at( currentItem() );
}
TQString KLanguageButton::tag( int i ) const
{
if ( i < 0 || i >= count() )
{
kdDebug() << "KLanguageButton::tag(), unknown tag " << i << endl;
return TQString();
}
return *m_tags->at( i );
}
int KLanguageButton::currentItem() const
{
return m_current;
}
void KLanguageButton::setCurrentItem( int i )
{
if ( i < 0 || i >= count() )
return;
m_current = i;
setText( m_popup->text( m_current ) );
TQIconSet *icon = m_popup->iconSet( m_current );
if( icon )
setIconSet( *icon );
else
setIconSet( TQPixmap() );
}
void KLanguageButton::setCurrentItem( const TQString &code )
{
int i = m_tags->findIndex( code );
if ( code.isNull() )
i = 0;
if ( i != -1 )
setCurrentItem( i );
}
#include "klanguagebutton.moc"